4218520

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 9551520

約数和(自身を除く): 5333000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 401, 526, 802, 1052, 1315, 1604, 2005, 2104, 2630, 3208, 4010, 5260, 8020, 10520, 16040, 105463, 210926, 421852, 527315, 843704, 1054630, 2109260, 4218520]

約数ペア:

[(1, 4218520), (2, 2109260), (4, 1054630), (5, 843704), (8, 527315), (10, 421852), (20, 210926), (40, 105463), (263, 16040), (401, 10520), (526, 8020), (802, 5260), (1052, 4010), (1315, 3208), (1604, 2630), (2005, 2104)]